Variable resistor, filter, variable gain amplifier and integrated circuit using the variable resistor
    31.
    发明授权
    Variable resistor, filter, variable gain amplifier and integrated circuit using the variable resistor 失效
    可变电阻,滤波器,可变增益放大器和使用可变电阻的集成电路

    公开(公告)号:US07750716B2

    公开(公告)日:2010-07-06

    申请号:US12187074

    申请日:2008-08-06

    申请人: Masahiro Hosoya

    发明人: Masahiro Hosoya

    IPC分类号: H03L5/00

    CPC分类号: H03H7/24 H03H11/1291

    摘要: A variable resistor formed on a silicon substrate, and changing a resistance value between an input terminal and an output terminal, includes a plurality of first resistors each having one end connected in common to the input terminal, and each having other end, a plurality of second resistors each having a resistance value smaller than the first resistors, and each having one end connected to the other end of any one of the first resistors, and a switch group interposed between the input terminal and the output terminal, and selecting one from the first resistors, and further, selecting at least one from the second resistors connected to the other end of the selected first resistor.

    摘要翻译: 形成在硅衬底上并且改变输入端子和输出端子之间的电阻值的可变电阻器包括多个第一电阻器,每个第一电阻器的一端共同连接到输入端子,并且每个具有另一端,多个 第二电阻器,其电阻值小于第一电阻器,并且每个电阻器的一端连接到第一电阻器中的任一个的另一端,以及插入在输入端子和输出端子之间的开关组, 第一电阻器,并且还从连接到所选择的第一电阻器的另一端的第二电阻器中选择至少一个。

    FILTER CIRCUIT, RECEIVER USING THE SAME, AND FILTERING METHOD USING THE SAME
    32.
    发明申请
    FILTER CIRCUIT, RECEIVER USING THE SAME, AND FILTERING METHOD USING THE SAME 审中-公开
    过滤器电路,使用它的接收器和使用其的滤波方法

    公开(公告)号:US20090219186A1

    公开(公告)日:2009-09-03

    申请号:US12366712

    申请日:2009-02-06

    IPC分类号: H03M1/12

    CPC分类号: H04B1/12

    摘要: According to an aspect of the present invention, there is provided a filter circuit including: an ADC that converts a first analog signal into a first digital signal; a digital filter that extracts an interference component from the first digital signal and generates a second digital signal; a DAC that converts the second digital signal into a second analog signal; a delayer that delays the first analog signal based on a delay caused in the second analog signal and generates a delayed first analog signal; a subtractor that subtracts the second analog signal from the delayed first analog signal and generates an output signal; and a controller that controls the digital filter based on a remaining interference component that is remaining in the output signal.

    摘要翻译: 根据本发明的一个方面,提供了一种滤波电路,包括:将第一模拟信号转换为第一数字信号的ADC; 数字滤波器,从所述第一数字信号中提取干扰分量并产生第二数字信号; DAC,其将所述第二数字信号转换为第二模拟信号; 延迟器,其基于在所述第二模拟信号中引起的延迟来延迟所述第一模拟信号,并产生延迟的第一模拟信号; 减法器,从延迟的第一模拟信号中减去第二模拟信号并产生输出信号; 以及控制器,其基于剩余在所述输出信号中的剩余干扰分量来控制所述数字滤波器。

    Electrophotographic photosensitive body and wet electrophotographic apparatus
    33.
    发明授权
    Electrophotographic photosensitive body and wet electrophotographic apparatus 有权
    电子照相感光体和湿电子照相设备

    公开(公告)号:US06447966B1

    公开(公告)日:2002-09-10

    申请号:US09521900

    申请日:2000-03-09

    IPC分类号: G03G5147

    摘要: This invention is to provide an electrophotographic photosensitive body used in a wet electrophotographic apparatus and including a substrate having a conductive surface, and a photosensitive layer formed on the conductive surface of the substrate and changing in a charged state upon being irradiated with light, the photosensitive layer having, on an exposed surface, C—F bonds and C—H bonds for which the ratio of the number NCF of C—F bonds to the number NCH of C—H bonds satisfies, on the exposed surface of the photosensitive layer, a relationship represented by 2/100

    摘要翻译: 本发明提供一种电子照相感光体,其用于湿电子照相设备中,并且包括具有导电表面的基底和形成在基底的导电表面上的感光层,并且在照射光时在充电状态下变化。 在暴露的表面上具有CF键和CH键的CF键和CH键,CF键的数目NCF与CH键的NCH的数量的比例在感光层的暴露的表面上满足由湿式电子照相设备 使用电子照相感光体。

    Thienodiazepine compounds and their pharmaceutical use
    34.
    发明授权
    Thienodiazepine compounds and their pharmaceutical use 失效
    噻吩并噻嗪化合物及其药物用途

    公开(公告)号:US4992437A

    公开(公告)日:1991-02-12

    申请号:US399550

    申请日:1989-08-09

    CPC分类号: C07D495/04

    摘要: Thienodiazepine compounds of the general formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and respectively stand for a hydrogen atom, a halogen, an alkyl or an aralkyl, or mean a group wherein R.sup.1 and R.sup.2 combinedly together form a ring; R.sup.3 stands for an oxygen atom, R.sup.4 stands for a hydrogen atom, an alkyl, an alkenyl or a group of the formula --(CH.sub.2).sub.m COOR.sup.6 (wherein R.sup.6 l stands for a hydrogen atom, an alkyl, an alkenyl or an aralkyl and m stands for an integer of 1-6), or R.sup.3 and R.sup.4 stand for a group wherein R.sup.3 and R.sup.4 combinedly together form a group of the formula .dbd.N--N.dbd.C(R.sup.5)-- [wherein R.sup.5 stands for a hydrogen atom, an alkyl, an alkenyl, an aralkyl or a group of the formula --(CH.sub.2).sub.n COOR.sup.7 (wherein R.sup.7 stands for a hydrogen atom, an alkyl, an alkenyl or an aralkyl and n stands for an integer of 1-6)]; Ar and X are the same or different and respectively stand for an aryl or a heteroaryl; and p stands for an integer of 1-6, and their salts and their pharmaceutical use.These compounds possess an antagonistic action to cholecystokinin and gastrin and exhibit a durable pancreatic enzymes- and gastric acid-secretion-suppressive action, and therefore are useful as the medicaments acting on the central nervous system and peripheral nervous system and as the prophylactic or therapeutic medicines for pancreatic disorders and gastrointestinal ulcers.

    RADIO APPARATUS
    35.
    发明申请
    RADIO APPARATUS 有权
    无线电设备

    公开(公告)号:US20120034875A1

    公开(公告)日:2012-02-09

    申请号:US13052371

    申请日:2011-03-21

    IPC分类号: H04B1/10 H04B1/00

    摘要: A radio apparatus capable of correcting a direct current offset with high accuracy in a short time is provided. A radio apparatus according to an embodiment includes a first amplifier amplifying a signal inputted to an input terminal with amplification gain determined by a variable resistor to generate a first amplified signal, and a second amplifier amplifying the first amplified signal to generate a second amplified signal. Further, the radio apparatus includes a first correcting unit correcting a direct current offset of the first amplifier, and a second correcting unit correcting a direct current offset of the second amplifier. The radio apparatus also includes a reference voltage source or reference current source supplying a reference voltage or reference current for referring a direct current offset to the first amplifier and the second amplifier, again controller controlling the amplification gain of the first amplifier; and a correction controller controlling the gain controller to set the amplification gain to maximum and controlling the first and second correcting units to perform correction of the second correcting unit based on the second amplified signal obtained by inputting the reference voltage or the reference current to an input terminal of the second amplifier, and thereafter perform correction of the first correcting unit based on the second amplified signal obtained by inputting the reference voltage or the reference current to an input terminal of the first amplifier.

    摘要翻译: 提供能够在短时间内以高精度校正直流偏移的无线电装置。 根据实施例的无线电设备包括:放大输入到输入端的信号的第一放大器,其具有由可变电阻器确定的放大增益以产生第一放大信号;以及第二放大器,放大第一放大信号以产生第二放大信号。 此外,无线电设备包括校正第一放大器的直流偏移的第一校正单元和校正第二放大器的直流偏移的第二校正单元。 无线电设备还包括参考电压源或参考电流源,其提供用于将直流偏移引用到第一放大器和第二放大器的参考电压或参考电流,再次控制器控制第一放大器的放大增益; 以及校正控制器,控制增益控制器将放大增益设定为最大,并且基于通过将参考电压或参考电流输入到输入端获得的第二放大信号来控制第一和第二校正单元执行第二校正单元的校正 终端,然后基于通过将参考电压或参考电流输入到第一放大器的输入端而获得的第二放大信号来执行第一校正单元的校正。

    AMPLIFIER AND RADIO
    36.
    发明申请
    AMPLIFIER AND RADIO 失效
    放大器和无线电

    公开(公告)号:US20100225397A1

    公开(公告)日:2010-09-09

    申请号:US12558807

    申请日:2009-09-14

    IPC分类号: H03F3/26

    摘要: An amplifier includes: a substrate; first to fourth amplifying units arranged on the substrate and each having first and second terminals, and each amplifying first and second signals to generate first and second amplified signals; a first inductive line arranged on the substrate, connecting the first terminal of the first amplifying unit and the first terminal of the second amplifying unit, and having a linear portion and a bending portion; a second inductive line arranged on the substrate, connecting the second terminal of the second amplifying unit and the first terminal of the third amplifying unit, and having a linear portion and a bending portion; a third inductive line arranged on the substrate, connecting the second terminal of the third amplifying unit and the first terminal of the fourth amplifying unit, and having a linear portion and a bending portion; a fourth inductive line arranged on the substrate, connecting the second terminal of the fourth amplifying unit and the second terminal of the first amplifying unit, and having a linear portion and a bending portion; and a fifth inductive line which establishes magnetic field coupling with the first to fourth inductive lines, and has third and fourth terminals, combines the plurality of the first amplified signals amplified to output the first combined signal from the third terminal, and combines the plurality of the second amplified signals to output the second combined signal from the fourth terminal.

    摘要翻译: 放大器包括:基板; 布置在基板上的第一至第四放大单元,每个具有第一和第二端子,并且每个放大第一和第二信号以产生第一和第二放大信号; 布置在所述基板上的第一感应线,连接所述第一放大单元的第一端子和所述第二放大单元的所述第一端子,并且具有直线部分和弯曲部分; 布置在基板上的第二感应线,连接第二放大单元的第二端子和第三放大单元的第一端子,并具有直线部分和弯曲部分; 布置在基板上的第三感应线,连接第三放大单元的第二端子和第四放大单元的第一端子,并具有直线部分和弯曲部分; 布置在基板上的第四感应线,连接第四放大单元的第二端子和第一放大单元的第二端子,并具有直线部分和弯曲部分; 以及第五感应线,其与第一至第四感应线建立磁场耦合,并且具有第三和第四端子,将被放大的多个第一放大信号组合以输出来自第三端子的第一组合信号,并将多个 第二放大信号以从第四终端输出第二组合信号。

    Bias circuit and amplifier using the same
    37.
    发明授权
    Bias circuit and amplifier using the same 失效
    偏置电路和放大器使用相同

    公开(公告)号:US07733186B2

    公开(公告)日:2010-06-08

    申请号:US12404520

    申请日:2009-03-16

    IPC分类号: H03F3/04

    摘要: A bias circuit including: a first current source which generates a first current; a second current source which generates a second current having a temperature-to-output current characteristic that an output current characteristic increases or decreases with a change in temperature to intersect with that of the first current; a first current-voltage conversion circuit which converts the first current to a first voltage; a second current-voltage conversion circuit which has an input terminal and converts a current inputted into the input terminal to a second voltage; a comparison circuit which compares the first voltage and the second voltage and generates a third current according to a result of the comparison; an addition unit which adds the third current to the second current and inputs a resulting current to the input terminal; and a voltage-current conversion circuit which converts the second voltage to a fourth current for bias.

    摘要翻译: 一种偏置电路,包括:产生第一电流的第一电流源; 产生第二电流的第二电流,所述第二电流具有输出电流特性随温度变化而与第一电流相交的温度 - 输出电流特性的增加或减小; 第一电流电压转换电路,其将第一电流转换为第一电压; 第二电流电压转换电路,其具有输入端子,并将输入到所述输入端子的电流转换为第二电压; 比较电路,其比较所述第一电压和所述第二电压,并根据所述比较结果产生第三电流; 加法单元,其将所述第三电流加到所述第二电流,并将所得电流输入到所述输入端; 以及电压 - 电流转换电路,其将第二电压转换为用于偏置的第四电流。

    Developing device
    38.
    发明授权

    公开(公告)号:US4498756A

    公开(公告)日:1985-02-12

    申请号:US363933

    申请日:1982-03-31

    IPC分类号: G03G15/06 G03G15/08

    摘要: A developing device is provided for developing by means of a toner an electrostatic latent image formed on the surface of a photosensitive drum which rotates along one direction at a given speed. The developing device comprises a developing roller movably disposed at a given distance from the photosensitive drum, for causing the toner thereon to move in accordance with the movement thereof, whereby the toner thereon is supplied to the photosensitive drum by means of the surface potential of the electrostatic latent image, and a layer regulating member for regulating the amount of the toner put on the developing roller. The developing roller rotates in other direction at a speed relative to the given speed.

    Radio apparatus
    39.
    发明授权
    Radio apparatus 有权
    无线电设备

    公开(公告)号:US09281830B2

    公开(公告)日:2016-03-08

    申请号:US13421391

    申请日:2012-03-15

    摘要: A radio apparatus includes a first receiver that is a processing unit for amplifying and frequency converting a radio signal received via an antenna, thereby outputting an IF signal; a detector unit for detecting a preamble signal from the IF signal; a second receiver for amplifying and quadrature demodulating the radio signal, thereby generating an I-signal and a Q-signal; a demodulator unit for demodulating the I-signal and Q-signal to generate a data signal; and a control unit for halting the operation of the first receiver and further activating the second receiver when the detector unit detects the preamble signal and for activating the first receiver and halting the operation of the second receiver when the demodulator unit completes the demodulation of the I-signal and Q-signal.

    摘要翻译: 无线电设备包括:第一接收机,其是用于放大和频率转换经由天线接收的无线电信号的处理单元,从而输出IF信号; 检测单元,用于检测来自IF信号的前置信号; 第二接收机,用于放大和正交解调无线电信号,由此产生I信号和Q信号; 解调器单元,用于解调I信号和Q信号以产生数据信号; 以及控制单元,用于当所述检测器单元检测到所述前导码信号并激活所述第一接收机并停止所述第二接收机的操作时,当所述解调器单元完成所述I的解调时,停止所述第一接收机的操作并进一步激活所述第二接收机 信号和Q信号。

    Amplifier and communication apparatus
    40.
    发明授权
    Amplifier and communication apparatus 有权
    放大器和通讯装置

    公开(公告)号:US08331875B2

    公开(公告)日:2012-12-11

    申请号:US12877497

    申请日:2010-09-08

    申请人: Masahiro Hosoya

    发明人: Masahiro Hosoya

    IPC分类号: H04B1/38

    CPC分类号: G06F3/033 H03F3/45 H03F3/68

    摘要: An amplifier includes first and second amplifier circuits. The first amplifier circuit amplifies positive-phase input signal to obtain a first positive-phase signal and amplifies negative-phase input signal to obtain a first negative-phase signal. The second amplifier circuit includes first and second amplifier units. The first amplifier unit amplifies positive-phase input signal to obtain a second positive-phase signal and amplifies negative-phase input signal to obtain a second negative-phase signal. The second amplifier unit amplifies positive-phase input signal to obtain a third positive-phase signal and amplifies negative-phase input signal to obtain a third negative-phase signal. The positive-phase output signal is sum of first and second positive-phase signals while the negative-phase output signal is sum of first and second negative-phase signals. Or the positive-phase output signal is sum of first positive-phase signal and third negative-phase signal while the negative-phase output signal is sum of first negative-phase signal and third positive-phase signal.

    摘要翻译: 放大器包括第一和第二放大器电路。 第一放大器电路放大正相输入信号以获得第一正相信号并放大负相输入信号以获得第一负相位信号。 第二放大器电路包括第一和第二放大器单元。 第一放大器单元放大正相输入信号以获得第二正相信号并放大负相输入信号以获得第二负相位信号。 第二放大器单元放大正相输入信号以获得第三正相信号并放大负相输入信号以获得第三负相位信号。 正相输出信号是第一和第二正相信号的和,而负相输出信号是第一和第二负相位信号的和。 或者正相输出信号是第一正相信号和第三负相信号的和,而负相输出信号是第一负相信号和第三正相信号之和。